Hello: Tooth plastic surgery is to treat malocclusion through orthodontics or surgery. It adjusts the balance and coordination among facial bones, teeth and facial neuromuscular through various corrective devices. In other words, correction is to adjust the abnormal relationship between upper and lower jaws, between upper and lower teeth, between teeth and jaws, and between nerves and muscles connecting them. The purpose of correction is to improve the surface shape; Arrange your teeth; Improve chewing efficiency (the most basic function of teeth). Correction can sometimes improve pronunciation and treat periodontal disease.